[swift-evolution] Shortcut for creating arrays

[Radosław Pietruszewski]

FWIW, in Swift 3:

“h j c k”.componentsSeparated(by: “”)

or 

“h j c k”.componentsSeparatedByCharacters(in: .whitespace())

which is slightly better.

Regarding the proposal, I love Ruby’s %w(foo bar) and other nice shortcuts like that, but short-term I think we have bigger problems in Swift.

I would love if we had a macro system that would allow something like this, though.

— Radek

> On 08 Apr 2016, at 18:38, Ross O'Brien via swift-evolution <swift-evolution at swift.org> wrote:
> 
> A function that splits by whitespace would be this:
> 
> "h j c k".componentsSeparatedByCharactersInSet(NSCharacterSet.whiteCharacterSet())
> 
> 'componentsSeparatedByWhitespace' might be a nice addition as a shortcut for that though?
> 
> 
> On Fri, Apr 8, 2016 at 3:38 PM, James Campbell <james at supmenow.com <mailto:james at supmenow.com>> wrote:
> Pehaps we could have a function that splits by whitespace.
> 
> "h j c k".split()
> 
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> On 8 April 2016 at 15:05, Ross O'Brien via swift-evolution <swift-evolution at swift.org <mailto:swift-evolution at swift.org>> wrote:
> Well, you can do this already:
> let words = "rats live on no evil star".componentsSeparatedByString(" ")
> so I don't know how much a shortcut is needed.
> 
> And given '%w' would currently be impossible in Swift as an operator containing a letter, is there a Swiftier function name or operator for this?
> 
> On Fri, Apr 8, 2016 at 2:20 PM, Arsen Gasparyan via swift-evolution <swift-evolution at swift.org <mailto:swift-evolution at swift.org>> wrote:
> Hey guys,
> 
> Very often we need to create an array strings. It's a routine task and I really like shortcut in Ruby that shortcut makes everyday coding a little bit easier and fun:
> 
>    words = %w[rats live on no evil star]
> 
> What do you think about adding something like this in Swift?
> 
> Cheers,
> Arsen
> 
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